Jamaica, Dollar. The Jamaican Dollar is the currency of Jamaica. Our currency rankings show that the most popular Jamaica Dollar exchange rate is the USD to JMD rate.
Sterling Silver jewelry is an alloy that contains a mixture of 92.5% pure Silver and 7.5% of another metal, usually Copper. In order to be called Sterling Silver, the metal must possess at least 92.5% pure Silver, but the other components can vary.
Ferrous vs. Non-Ferrous Metals. A Ferrous metal is one that contains Iron, while a non-ferrous metal does not. Since these forms of metals tend to rust, most jewelry is created with non-ferrous metals. Normally, most jewelry is made from non-ferrous metals with the exception of steel jewelry.